20157+4339
- Unique Name: 20157+4339STF2659AB,C
- RA: 20 15 40.26
- Dec: +43 38 59.6
- Discoverer: STF
- Discoverer Number: 2659
- Components: AB,C
- First year: 1828
- Last year: 2009
- Observations: 31
- First position angle: 309
- Last position angle: 314
- First separation: 2.5
- Last separation: 3.0
- Mag first component: 8.61
- Mag second component: 10.82
- Spectral type: F5
- Primary proper motion RA: 13
- Primary proper motion DEC: -12
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
